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v2 backwards compat: SdkError status code (#2049)

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Konstantin Konstantinov 2026-05-21 08:09:32 +03:00 • committed by GitHub
commit 4f226c1e35
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2 changed files with 137 additions and 45 deletions
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14
packages/client/src/client/sse.ts
View file

@ -1,5 +1,12 @@
import type { FetchLike, JSONRPCMessage, Transport } from '@modelcontextprotocol/core';
import { createFetchWithInit, JSONRPCMessageSchema, normalizeHeaders, SdkError, SdkErrorCode } from '@modelcontextprotocol/core';
import {
createFetchWithInit,
JSONRPCMessageSchema,
normalizeHeaders,
SdkError,
SdkErrorCode,
SdkHttpError
} from '@modelcontextprotocol/core';
import type { ErrorEvent, EventSourceInit } from 'eventsource';
import { EventSource } from 'eventsource';
@ -286,8 +293,9 @@ export class SSEClientTransport implements Transport {
}
await response.text?.().catch(() => {});
if (isAuthRetry) {
throw new SdkError(SdkErrorCode.ClientHttpAuthentication, 'Server returned 401 after re-authentication', {
status: 401
throw new SdkHttpError(SdkErrorCode.ClientHttpAuthentication, 'Server returned 401 after re-authentication', {
status: 401,
statusText: response.statusText
});
}
throw new UnauthorizedError();

33
packages/client/src/client/streamableHttp.ts
View file

@ -10,7 +10,8 @@ import {
JSONRPCMessageSchema,
normalizeHeaders,
SdkError,
SdkErrorCode
SdkErrorCode,
SdkHttpError
} from '@modelcontextprotocol/core';
import { EventSourceParserStream } from 'eventsource-parser/stream';
@ -273,8 +274,9 @@ export class StreamableHTTPClientTransport implements Transport {
}
await response.text?.().catch(() => {});
if (isAuthRetry) {
throw new SdkError(SdkErrorCode.ClientHttpAuthentication, 'Server returned 401 after re-authentication', {
status: 401
throw new SdkHttpError(SdkErrorCode.ClientHttpAuthentication, 'Server returned 401 after re-authentication', {
status: 401,
statusText: response.statusText
});
}
throw new UnauthorizedError();
@ -288,7 +290,7 @@ export class StreamableHTTPClientTransport implements Transport {
return;
}
throw new SdkError(SdkErrorCode.ClientHttpFailedToOpenStream, `Failed to open SSE stream: ${response.statusText}`, {
throw new SdkHttpError(SdkErrorCode.ClientHttpFailedToOpenStream, `Failed to open SSE stream: ${response.statusText}`, {
status: response.status,
statusText: response.statusText
});
@ -581,8 +583,9 @@ export class StreamableHTTPClientTransport implements Transport {
}
await response.text?.().catch(() => {});
if (isAuthRetry) {
throw new SdkError(SdkErrorCode.ClientHttpAuthentication, 'Server returned 401 after re-authentication', {
status: 401
throw new SdkHttpError(SdkErrorCode.ClientHttpAuthentication, 'Server returned 401 after re-authentication', {
status: 401,
statusText: response.statusText
});
}
throw new UnauthorizedError();
@ -598,8 +601,9 @@ export class StreamableHTTPClientTransport implements Transport {
// Check if we've already tried upscoping with this header to prevent infinite loops.
if (this._lastUpscopingHeader === wwwAuthHeader) {
throw new SdkError(SdkErrorCode.ClientHttpForbidden, 'Server returned 403 after trying upscoping', {
throw new SdkHttpError(SdkErrorCode.ClientHttpForbidden, 'Server returned 403 after trying upscoping', {
status: 403,
statusText: response.statusText,
text
});
}
@ -629,8 +633,9 @@ export class StreamableHTTPClientTransport implements Transport {
}
}
throw new SdkError(SdkErrorCode.ClientHttpNotImplemented, `Error POSTing to endpoint: ${text}`, {
throw new SdkHttpError(SdkErrorCode.ClientHttpNotImplemented, `Error POSTing to endpoint: ${text}`, {
status: response.status,
statusText: response.statusText,
text
});
}
@ -725,10 +730,14 @@ export class StreamableHTTPClientTransport implements Transport {
// We specifically handle 405 as a valid response according to the spec,
// meaning the server does not support explicit session termination
if (!response.ok && response.status !== 405) {
throw new SdkError(SdkErrorCode.ClientHttpFailedToTerminateSession, `Failed to terminate session: ${response.statusText}`, {
status: response.status,
statusText: response.statusText
});
throw new SdkHttpError(
SdkErrorCode.ClientHttpFailedToTerminateSession,
`Failed to terminate session: ${response.statusText}`,
{
status: response.status,
statusText: response.statusText
}
);
}
this._sessionId = undefined;